Added compile fail test for uint_t<65>. related to #6169.

test/Jamfile.v2

@@ -25,5 +25,6 @@ test-suite integer
         [ compile-fail fail_uint_exact.cpp ]
         [ compile-fail fail_uint_fast.cpp ]
         [ compile-fail fail_uint_least.cpp ]
+        [ compile-fail fail_uint_65.cpp ]
         [ run common_factor_test.cpp ]
     ;

test/fail_uint_65.cpp

@@ -0,0 +1,13 @@
+//  Copyright John Maddock 2012.
+//  Distributed under the Boost
+//  Software License, Version 1.0. (See accompanying file
+//  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+
+#include <boost/integer.hpp>
+#include <iostream>
+
+int main()
+{
+ std::cout << std::numeric_limits<boost::uint_t<65>::least>::digits;
+ return 0;
+}